CLASSIFICATION OF ABNORMAL PRESENTATIONS 233 

 RESTORATION OF THE NORMAL PRESENTATION. 



In the following I give a synopsis of the abnormal presen- 

 tations. 



Usually two main groups are recognized : the longitudinal 

 and transverse presentations. The vertical presentation was 

 already discussed under auteversion. 

 I. Longitudinal Presentation. 



1. Abdominal position. 



(a) Abnormal position of one fore leg. 



Fore leg with the flexed carpus against the symphysis. 



« " " " in the pelvic canal. 



Fore leg bent back under the body, the shoulder 



against the symphysis. 

 Fore leg bent back under the body, the shoulder in 



the pelvic canal. 



(b) Abnormal jJosition of both fore legs. 

 Both fore limbs as under a. 



(e) Abnormal jjosition of the head. 



The head resting against the shoulder. 

 " " " " " thorax. 



" " descended between the fore legs. 

 " " deviated upward and backward. 



(d) Abnormal position of head and fore legs. 



(e) Abnormal position of one hind leg. 



One hind leg flexed, fetlock under or against symphysis. 

 One hind leg flexed, fetlock in the pelvic canal. 

 One hind leg entirely retained. 

 (/) Abnormal position of both hind legs. 

 Both hind legs as under e. 



2. Costal Position.— -The thoracic wall of the calf is turned 



toward the abdomen of the cow, the fore or hind limbs 

 with eventual deviations lie in front or in the pelvic 

 inlet. 



